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WM8980CGEFL/V Fiches technique(PDF) 25 Page - Wolfson Microelectronics plc

No de pièce WM8980CGEFL/V
Description  Stereo CODEC with Speaker Driver and Video Buffer
PDF  123 Pages
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Fabricant  WOLFSON [Wolfson Microelectronics plc]
Site Internet  http://www.wolfsonmicro.com
Logo WOLFSON - Wolfson Microelectronics plc

WM8980CGEFL/V Fiches technique(HTML) 25 Page - Wolfson Microelectronics plc

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Pre-Production
WM8980
w
PP, Rev 3.8, May 2012
25
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
R45
Left channel
input PGA
volume
control
5:0
INPPGAVOLL
010000
Left channel input PGA volume
000000 = -12dB
000001 = -11.25db
.
010000 = 0dB
.
111111 = 35.25dB
6
INPPGAMUTEL
0
Mute control for left channel input PGA:
0=Input PGA not muted, normal
operation
1=Input PGA muted (and disconnected
from the following input BOOST stage).
7
INPPGAZCL
0
Left channel input PGA zero cross
enable:
0=Update gain when gain register
changes
1=Update gain on 1
st zero cross after
gain register write.
8
INPPGAUPDATE
Not
latched
INPPGAVOLL and INPPGAVOLR
volume do not update until a 1 is written
to INPPGAUPDATE (in reg 45 or 46)
R46
Right
channel
input PGA
volume
control
5:0
INPPGAVOLR
010000
Right channel input PGA volume
000000 = -12dB
000001 = -11.25db
.
010000 = 0dB
.
111111 = +35.25dB
6
INPPGAMUTER
0
Mute control for right channel input PGA:
0=Input PGA not muted, normal
operation
1=Input PGA muted (and disconnected
from the following input BOOST stage).
7
INPPGAZCR
0
Right channel input PGA zero cross
enable:
0=Update gain when gain register
changes
1=Update gain on 1
st zero cross after
gain register write.
8
INPPGAUPDATE
Not
latched
INPPGAVOLL and INPPGAVOLR
volume do not update until a 1 is written
to INPPGAUPDATE (in reg 45 or 46)
R32
ALC control
1
8:7
ALCSEL
00
ALC function select:
00=ALC off
01=ALC right only
10=ALC left only
11=ALC both on
Table 6 Input PGA Volume Control



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